Reliance 29-in. Aluminum Anode Rod for Water Heaters, 3/4-in. Dia. is a durable anode rod designed specifically for water heaters. Made with high-quality aluminum, this 29-inch rod helps protect your water heater from corrosion, extending its lifespan and maintaining its efficiency. Its 3/4-inch diameter ensures a fit for compatible models, making installation straightforward and hassle-. This anode rod is an essential component for maintaining your water heater’s performance and preventing costly repairs over time. Model Number: 100108260